UserInterface/General_Find_Parameterized_Option [ Functions ]
FUNCTION
Search for an option of the form
--a_option_name a_value
SYNOPSIS
static char *General_Find_Parameterized_Option( int n, char **options, char *optionname )
INPUTS
- n -- the number of options in the options array.
- options -- the options array
- optionname -- the name of the option to search for.
RESULT
NULL if the option is not found, a pointer to the value otherwise.
NOTES
Results in a Panic if the option is found but no value is specified.
SOURCE
{ int parameter_nr; char *value = NULL; for ( parameter_nr = 0; parameter_nr < n; parameter_nr++ ) { if ( !RB_Str_Case_Cmp( options[parameter_nr], optionname ) ) { if ( parameter_nr < n - 1 ) { value = options[parameter_nr + 1]; if ( ( value[0] == '-' ) && ( value[1] == '-' ) ) { value = NULL; } } else { /* to few parameters. */ } if ( !value ) { RB_Panic( "you must be more specific" " with the %s option\n", optionname ); } } } return value; }